DE2133567A1 - Codierer - Google Patents

Codierer

Info

Publication number
DE2133567A1
DE2133567A1 DE19712133567 DE2133567A DE2133567A1 DE 2133567 A1 DE2133567 A1 DE 2133567A1 DE 19712133567 DE19712133567 DE 19712133567 DE 2133567 A DE2133567 A DE 2133567A DE 2133567 A1 DE2133567 A1 DE 2133567A1
Authority
DE
Germany
Prior art keywords
signal
pulses
phase
data
flip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19712133567
Other languages
German (de)
English (en)
Inventor
George H. Cambridge; Dixon Samuel J. Holliston; Mass. Sollman (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bull HN Information Systems Italia SpA
Original Assignee
Honeywell Information Systems Italia SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Information Systems Italia SpA filed Critical Honeywell Information Systems Italia SpA
Publication of DE2133567A1 publication Critical patent/DE2133567A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Manipulation Of Pulses (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE19712133567 1970-07-06 1971-07-06 Codierer Withdrawn DE2133567A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5231370A 1970-07-06 1970-07-06

Publications (1)

Publication Number Publication Date
DE2133567A1 true DE2133567A1 (de) 1972-01-20

Family

ID=21976785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712133567 Withdrawn DE2133567A1 (de) 1970-07-06 1971-07-06 Codierer

Country Status (6)

Country Link
US (1) US3671960A (enExample)
JP (1) JPS5648889B1 (enExample)
CA (1) CA947430A (enExample)
DE (1) DE2133567A1 (enExample)
FR (1) FR2098176B1 (enExample)
GB (1) GB1350233A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001811A (en) * 1972-01-28 1977-01-04 General Motors Corporation Method and apparatus for coding and decoding digital information
US3828344A (en) * 1973-01-02 1974-08-06 Gte Information Syst Inc Double density to nrz code converter
US3815122A (en) * 1973-01-02 1974-06-04 Gte Information Syst Inc Data converting apparatus
US3867574A (en) * 1973-06-20 1975-02-18 Gen Motors Corp Three phase jump encoder and decoder
US4329719A (en) * 1977-11-05 1982-05-11 Sony Corporation Apparatus for generating time code signals
JPS5839893U (ja) * 1981-09-12 1983-03-16 吉山　均一 キ−ホルダ付き筆記具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414894A (en) * 1965-06-29 1968-12-03 Rca Corp Magnetic recording and reproducing of digital information
US3452348A (en) * 1965-06-29 1969-06-24 Rca Corp Conversion from self-clocking code to nrz code
US3500385A (en) * 1967-07-17 1970-03-10 Ibm Coded data storage and retrieval system

Also Published As

Publication number Publication date
FR2098176A1 (enExample) 1972-03-10
FR2098176B1 (enExample) 1975-02-21
GB1350233A (en) 1974-04-18
JPS5648889B1 (enExample) 1981-11-18
US3671960A (en) 1972-06-20
CA947430A (en) 1974-05-14

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Legal Events

Date Code Title Description
OD Request for examination
8130 Withdrawal